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CVE-2026-18713 is a high-severity privilege escalation vulnerability affecting IBM i versions 7.3, 7.4, 7.5, and 7.6 through the Navigator for i interface. An authenticated user with limited privileges can exploit the flaw to elevate privileges to root and execute commands with root authority. The issue is described as remotely exploitable through Navigator for i and affects the privilege boundaries enforced by that administrative interface.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
6 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A high-severity privilege escalation vulnerability in IBM i Navigator for i that allows authenticated users to gain root privileges.
A privilege escalation vulnerability in IBM Navigator for i that could allow a local low-privileged user to execute arbitrary commands with elevated permissions.
A privilege escalation vulnerability in IBM i Navigator for i affecting IBM i 7.3, 7.4, 7.5, and 7.6 that could allow an authenticated user to elevate privileges to root and execute commands.
A privilege escalation vulnerability in IBM i Navigator for i that allows an authenticated user to elevate privileges to root and execute commands.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.